/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.spark.deploy.mesos

import org.apache.spark.SparkFunSuite
import org.apache.spark.deploy.TestPrematureExit

class MesosClusterDispatcherSuite extends SparkFunSuite
  with TestPrematureExit{

  test("prints usage on empty input") {
    testPrematureExit(Array[String](),
      "Usage: MesosClusterDispatcher", MesosClusterDispatcher)
  }

  test("prints usage with only --help") {
    testPrematureExit(Array("--help"),
      "Usage: MesosClusterDispatcher", MesosClusterDispatcher)
  }

  test("prints error with unrecognized options") {
    testPrematureExit(Array("--blarg"), "Unrecognized option: '--blarg'", MesosClusterDispatcher)
    testPrematureExit(Array("-bleg"), "Unrecognized option: '-bleg'", MesosClusterDispatcher)
  }
}
